diff -r 69b191cb1d7e -r 4079713129dd langtools/src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java
--- a/langtools/src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java	Wed May 15 00:00:39 2013 -0700
+++ b/langtools/src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java	Wed May 15 14:00:31 2013 +0100
@@ -349,6 +349,7 @@
         SYNTAX,
         RECOVERABLE,
         NON_DEFERRABLE,
+        COMPRESSED
     }
 
     private final DiagnosticType type;